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The US Transportation Collection consists of documents from across all transportation modes with specific focus on research reports from US DOT, state DOTs, and other transportation organizations. Bookmark this collection: https://rosap.ntl.bts.gov/collection_ust or https://doi.org/10.21949/1530857.

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Showing 30881 - 30900 of 35438 results
  • Analysis of Accidents at LongTerm Construction Projects in Texas
    Analysis of Accidents at Long-Term Construction Projects in Texas
    Ullman, G. L. ;
    Krammes, R. A.
    1991-06-01 | PDF
    This report presents an analysis of accidents at five long-term freeway construction projects in Texas during 1984-1988. Data were collected from each project for two to three years prior to construction and for all years during construction through 1988. Total accidents on the main lanes increased an average of 28.7% during construction. Severe ac ...
  • IGrds Practice Problems
    IGrds Practice Problems
    Feldman, S. A.
    1991-06-01 | PDF
    This document provides instructions and practice problems to help new users of IGrds TM become acquainted with IGrdsTM commands. Three lessons are provided: (1) horizontal alignment commands, (2) vertical alignment commands, and (3) general geometry commands. Each lesson consists of an instruction manual and an IGrdsTM project file. The instruction ...
  • Development of RDSIGrds SelfInstructional Course Materials
    Development of RDS/IGrds Self-Instructional Course Materials
    Krammes, Raymond A. ;
    Blaschke, Joseph D.
    1991-06-01 | PDF
    This report documents the review of currently available RDS/IGrds training materials, survey of training needs, and development of self-instructional training materials to satisfy the most critical identified need. New users of IGrds require training in operating engineering workstations, the Microstation computer graphics software, and RDS. Traini ...
  • Ferry Operations Feasibility Study
    Ferry Operations Feasibility Study
    Luker Jr, William A.
    1991-06-01 | PDF
    This study has attempted to evaluate the feasibility of recovering some or all of the costs incurred by the Texas Department of Transportation (TxDOT) in providing ferry service free of charge at Galveston-Port Bolivar (GPB} and Aransas Pass-Port Aransas (APPA). Because operating, maintenance, and ferry replacement costs at GPB will be more than fi ...
  • Economic Assessment of the Proposed Improvement of US Highway 287 in Wichita Falls Texas
    Economic Assessment of the Proposed Improvement of U.S. Highway 287 in Wichita Falls, Texas
    Buffington, Jesse L. ;
    Crane, Laurence M.
    1991-06-01 | PDF
    The Texas Department of Transportation's (TxDOT) District 3 personnel are in the process of evaluating the proposed improvement of U.S. Highway 287 which is located in Wichita Falls, Texas. This highway passes through Wichita Falls a few blocks from the Central Business District and is a major route to Fort Worth to the east and Amarillo to the wes ...
  • Economic Assessment of the Proposed Improvement of US Highway 287 in Wichita Falls Texas Executive Summary
    Economic Assessment of the Proposed Improvement of U.S. Highway 287 in Wichita Falls, Texas: Executive Summary
    Buffington, Jesse L. ;
    Crane, Laurence M.
    1991-06-01 | PDF
    The study objective is to estimate the economic impacts of the proposed route and/or design alternatives for U.S. Highway 287. The following impacts are estimated: (1) impact on existing businesses, distinguishing between traffic serving and other types of businesses, (2) impact on new development, (3) impact on employment, including that due to co ...
  • A Regional Approach to Rail Transit Training for the New York Metropolitan Area
    A Regional Approach to Rail Transit Training for the New York Metropolitan Area
    McKnight, Claire E. ;
    Rotter, Naomi
    1991-06-01 | PDF
    The purpose of this project was to study the feasibility of a regional approach to rail transit training in the New York metropolitan area and to recommend a means for implementing such a cooperative training effort. The study had two parts. The first part was to study the existing training at the five agencies, to document the training needs of ea ...
  • New York State Technical Economic MAGLEV Evaluation
    New York State Technical & Economic MAGLEV Evaluation
    Grumman Aerospace Corporation. Research and Development Center
    1991-06-01 | PDF
    The New York State Energy Research and Development Authority, with the assistance of the Departments of Transportation, Economic Development, Environmental Conservation, and the New York State Thruway Authority, is undertaking a comprehensive, systematic evaluation of High-Speed Surface Transit options for the State. This study represents the first ...
  • Water Rescue Plans Facilities and Equipment
    Water Rescue Plans, Facilities, and Equipment
    United States. Department of Transportation. Federal Aviation Administration
    1991-05-31 | PDF
    This Advisory Circular (AC) provides guidance to assist airport operators in preparing for water rescue operations. The material contained in this AC is applicable for use in the operation of civil airports where aeronautical activity is conducted near a significant body of water. Certificated airports may use these recommendations and guidelines t ...
  • Report on Funding Levels and Allocations of Funds Report of the Secretary of Transportation to the United States Congress 1991
    Report on Funding Levels and Allocations of Funds: Report of the Secretary of Transportation to the United States Congress [1991]
    United States. Federal Transit Administration
    1991-05-01 | PDF
    This is the annual report called for by Section 3(j) of the Urban Mass Transportation Act (UMT Act) which requires a "Report on Funding Levels and Allocations of Funds." This provision was added to Section 3 of the UMT Act by Section 304 of the Surface Transportation. and Uniform Relocation Assistance Act of 1987 (STURAA).This report is a collatera ...
  • Evaluation of fiber reinforced concrete final report
    Evaluation of fiber reinforced concrete : final report.
    Rabalais, Nick
    1991-05-01 | PDF
    This study was conducted to evaluate the physical properties of plastic and hardened fiber reinforced concrete using three basic types of fibers: steel, fiberglass and polypropylene. Fibers have been shown to increase flexural and tensile strength, ductility and toughness of concrete.In this study, air content and water/cement ratio were varied to ...
  • Load ratings for secondary bridges
    Load ratings for secondary bridges.
    Iowa. Highway Research Board  ...
    1991-05-01 | PDF
    A load rating states the load in tons which a vehicle can impose on a bridge.Changes in guidelines, standards, and customary uses of bridges requireanalyses of bridges to be updated and re-evaluated.In this report, twenty-two secondary bridge standards for three types ofbridges are rated for the AASHTO HS20-44 vehicle configuration and threetypical ...
  • Exploration of aggregates in Louisiana final report
    Exploration of aggregates in Louisiana : final report.
    Argialas, D. P. ;
    Autin, W. J.
    1991-05-01 | PDF
    Aggregate material deposits which can be processed economically for construction materials are an important resource for the state and the Louisiana Department of Transportation and Development (LADOTD). This need, together with the shortage of aggregates in the state, necessitated a thorough study in development of an exploration methodology for m ...
  • Some Personality Characteristics of Air Traffic Control Specialist Trainees Interactions of Personality and Aptitude Test Scores with FAA Academy Success and Career Expectations
    Some Personality Characteristics of Air Traffic Control Specialist Trainees: Interactions of Personality and Aptitude Test Scores with FAA Academy Success and Career Expectations
    Nye, Lendell G. ;
    Collins, William E.
    1991-05-01 | PDF
    The State-Trait Personality Inventory (STPI) is a self-report inventory which measures anxiety, curiosity, and anger (Spielberger, 1979). The three 'trait' scale scores are determined by the frequency of each emotion as stable personality constructs. The Multiplex Controller Aptitude Test (MCAT) is the primary selection test completed by ATCS appli ...
  • Selection of Air Traffic Controllers Complexity Requirements and Public Interest
    Selection of Air Traffic Controllers: Complexity, Requirements, and Public Interest
    Wing, Hilda ;
    Manning, Carol A.
    1991-05-01 | PDF
    The essays in this technical report represent presentations made as part of a symposium entitled "Selection of Air Traffic Controllers: Complexity, Requirements, and Public Interest." The symposium was presented at the 98th Annual Convention of the American Psychological Association, August 10-14, 1990, in Boston, MA. The presentations address the ...
  • Analysis of VASCAR
    Analysis of VASCAR
    Howe, J.G.
    1991-05-01 | PDF
    This study is part of an effort by the National Highway Traffic SafetyAdministration (NHTSA) to determine the accuracy of the VASCAR-plus speed measurement device. VASCAR-plus is used extensively for speed law enforcement by state and local police. VASCAR-plus calculates average speed using the basic formula: Speed = Distance/Time. The VASCAR-plus ...
  • Testing and Evaluating Prestressed Concrete Bridge Decks with Fiberglass Composite Cables
    Testing and Evaluating Prestressed Concrete Bridge Decks with Fiberglass Composite Cables
    Iyer, Srinivasa L
    1991-05-01 | PDF
    Advanced composite materials such as fiberglass and graphite do not have corrosion problems like steel. Hence, they are studied in this project for their feasibility to use in prestressed concrete bridge decks. The mechanical properties of these cables were tested and compared with steel cables. A combination test was developed to evaluate the qual ...
  • Comparison of Two ProtectedPermitted LeadLag LeftTurn Phasing Arrangements
    Comparison of Two Protected-Permitted Lead-Lag Left-Turn Phasing Arrangements
    Fambro, Daniel B. ;
    Gaston, Gilmer D.
    1991-05-01 | PDF
    This report documents an analysis of the operations of a special type of lead-lag left-tum phasing sequence developed and used by traffic engineers in Dallas and Richardson, Texas. This phasing, known as the Dallas phasing, is prohibited by existing standards for left-tum phasing set forth in the Manual for Uniform Traffic Control Devices (MUTCD). ...
  • US 75 North Central Expressway Reconstruction Northwest Highway Screen Line Automobile and Transit User Panels November 1990 Survey Results
    U.S. 75 North Central Expressway Reconstruction: Northwest Highway Screen Line Automobile and Transit User Panels, November 1990 Survey Results
    Ullman, Gerald L. ;
    Krammes, Raymond A.
    1991-05-01 | PDF
    The results of the first during-construction survey indicate that, to date, construction has had very minor Impacts upon travel in the corridor. Total trips made in the corridor and on the North Central Expressway were not found to be significantly different from those reported in the pre-construction survey in May 1990. Likewise, departure times a ...
  • Flight Instructor Practical Test Standards for Airplane Singleengine Multiengine
    Flight Instructor Practical Test Standards for Airplane - Single-engine, Multiengine
    United States. Federal Aviation Administration. Flight Standards Service
    1991-05-01 | PDF
    The Flight Instructor - Airplane Practical Test Standards book has been published by the Federal Aviation Administration (FAA) to establish the standards for the flight instructor certification practical tests for the airplane category and the single-engine and multiengine classes. FAA inspectors and designated pilot examiners shall conduct practic ...
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